P80C552EFA
Single-chip 8-bit microcontroller
FEATURES
80C51 central processing unit
8k × 8 ROM expandable externally to 64 kbytes
ROM code protection
An additional 16-bit timer/counter coupled to four capture registers
and three compare registers
Two standard 16-bit timer/counters
256 × 8 RAM, expandable externally to 64 kbytes
Capable of producing eight synchronized, timed outputs
A 10-bit ADC with eight multiplexed analog inputs
Two 8-bit resolution, pulse width modulation outputs
Five 8-bit I/O ports plus one 8-bit input port shared with analog
inputs
I2C-bus serial I/O port with byte oriented master and slave
functions
Full-duplex UART compatible with the standard 80C51
On-chip watchdog timer
Three speed ranges:
– 3.5 to 16 MHz
– 3.5 to 24 MHz (ROM, ROMless only)
Three operating ambient temperature ranges:
– P83C552xBx: 0 °C to +70 °C
– P83C552xFx: –40 °C to +85 °C
(XTAL frequency max. 24 MHz)
– P83C552xHx: –40 °C to +125 °C
(XTAL frequency max. 16 MHz)
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